Chapter 12. Activating Dialing Functions

Dial Options During Dial Backup

Dial Backup

The TSU IQ+ prompts you to enter a number to dial for dial backup, or to hang up an existing call. The PRI card selections allow you to choose to hang up a single phone number, an individual site, or all calls at once.

In all cases, once HANG UP is selected, the dial backup connection is terminated and the unit attempts to reestablish communication on the T1 line.

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TSU IQ+ User Manual

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ADTRAN 1204002L2, TSU IQ+ user manual Dial Options During Dial Backup